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Individual Calculations April 2018 |
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| Booysen, Willem-Hendrik Total change: 24.40 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1509 | 2.50 | 5 | 0.61 | 40 | 24.40 | |
|  Mnguni, Jacob Dumisani | | | 1909 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Koning, Jaedin | | | 1282 | RSA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Cruywagen, Dewan | | | 1361 | RSA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Nene, Themba | | | 1909 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sadie, Johan Jacobus Hendrik | | | 1708 | RSA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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